Hypersthene
Enstatite (Hypersthene variety), (Mg,Fe)SiO3
mineral
Category
Mineral (Specifically A Gemstone Variety)
Browse mineral (specifically a gemstone variety) specimens identified by the Rock Identifier community.
Moss Agate
Silicon Dioxide with inclusions (SiO2 + Fe/Mn/Mg)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (Silica, SiO2)
mineral
Red Jasper
Jasper (Silicon Dioxide) - SiO2
sedimentary/mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orca Agate
Chalcedony (Microcrystalline Quartz, SiO2)
mineral
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH) (Calcium phosphate with Fluorine, Chlorine, or Hydroxyl)
mineral
Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)
Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Jasper (Petrified Wood variant)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Iolite (Cordierite)
Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18
Mineral
Carnelian (Orange Agate)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Rough Quartz)
Silicon Dioxide (SiO2)
mineral
Amethyst (Variety of Quartz)
Silicon Dioxide (SiO2) with iron impurities
mineral
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Mineral
Milk Quartz (or Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Mookaite Jasper
Radiolarite (Chert/Jasper variety), formula SiO2
sedimentary
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Fuchsite
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Sapphire (likely blue synthetic sapphire or blue glass in a ring)
Corundum (Al₂O₃), specifically the blue variety due to trace amounts of iron and titanium impurities. If synthetic, it would still be Al₂O₃.
Mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and magnesium inclusions
Mineral (Variety of Quartz/Chalcedony)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)
mineral
Rough Emerald/Green Beryl
Beryl (Be3Al2(SiO3)6) with trace amounts of Chromium or Vanadium
mineral
Sunstone
Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Citrine
Silicon Dioxide (SiO2) - Yellow Quartz variety
mineral
Pink Tourmaline (Rubellite)
Rb:Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite variety)
mineral
Banded Agate (specifically Carnelian Agate / Sardonyx)
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Basalt
Mafic volcanic rock (Basalt)
igneous
Apatite
Apatite group mineral (e.g., Fluorapatite - Ca5(PO4)3F, Chlorapatite - Ca5(PO4)3Cl, Hydroxylapatite - Ca5(PO4)3(OH))
mineral
Blue Lace Agate
Cryptocrystalline Quartz (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
Mineral
Baroque Pearl
Biogenic Calcium Carbonate (Aragonite/Conchiolin)
mineral
Banded Agate
Cryptocrystalline Quartz (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Ocean Jasper
Silicon Dioxide (SiO2) - Orbicular Jasper / Chalcedony
mineral
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
mineral
Kunzite (variety of Spodumene)
Lithium Aluminum Silicate (LiAlSi2O6)
mineral